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3e733afb2b
This clarifies things a fair bit: we simply add and remove from the
gossip_store directly.
Before this series: (--disable-developer, -Og)
store_load_msec:20669-20902(20822.2+/-82)
vsz_kb:439704-439712(439706+/-3.2)
listnodes_sec:0.890000-1.000000(0.92+/-0.04)
listchannels_sec:11.960000-13.380000(12.576+/-0.49)
routing_sec:3.070000-5.970000(4.814+/-1.2)
peer_write_all_sec:28.490000-30.580000(29.532+/-0.78)
After: (--disable-developer, -Og)
store_load_msec:19722-20124(19921.6+/-1.4e+02)
vsz_kb:288320
listnodes_sec:0.860000-0.980000(0.912+/-0.056)
listchannels_sec:10.790000-12.260000(11.65+/-0.5)
routing_sec:2.540000-4.950000(4.262+/-0.88)
peer_write_all_sec:17.570000-19.500000(18.048+/-0.73)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
#ifndef LIGHTNING_GOSSIPD_GOSSIP_STORE_H
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#define LIGHTNING_GOSSIPD_GOSSIP_STORE_H
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#include "config.h"
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#include <bitcoin/short_channel_id.h>
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#include <ccan/short_types/short_types.h>
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#include <ccan/tal/tal.h>
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#include <gossipd/routing.h>
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/**
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* gossip_store -- On-disk storage related information
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*/
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struct gossip_store;
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struct routing_state;
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struct gossip_store *gossip_store_new(struct routing_state *rstate,
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struct list_head *peers);
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/**
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* Load the initial gossip store, if any.
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*
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* @param rstate The routing state to load init.
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* @param gs The `gossip_store` to read from
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*/
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void gossip_store_load(struct routing_state *rstate, struct gossip_store *gs);
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/**
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* Add a private channel_update message to the gossip_store
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*/
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u64 gossip_store_add_private_update(struct gossip_store *gs, const u8 *update);
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/**
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* Add a gossip message to the gossip_store (and optional addendum)
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*/
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u64 gossip_store_add(struct gossip_store *gs, const u8 *gossip_msg,
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u32 timestamp, const u8 *addendum);
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/**
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* Delete the broadcast associated with this (if any).
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*
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* In developer mode, checks that type is correct.
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*/
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void gossip_store_delete(struct gossip_store *gs,
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struct broadcastable *bcast,
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int type);
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/**
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* Direct store accessor: loads gossip msg back from store.
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*
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* Caller must ensure offset != 0. Never returns NULL.
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*/
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const u8 *gossip_store_get(const tal_t *ctx,
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struct gossip_store *gs,
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u64 offset);
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/**
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* Direct store accessor: loads private gossip msg back from store.
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*
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* Caller must ensure offset != 0. Never returns NULL.
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*/
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const u8 *gossip_store_get_private_update(const tal_t *ctx,
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struct gossip_store *gs,
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u64 offset);
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/* Exposed for dev-compact-gossip-store to force compaction. */
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bool gossip_store_compact(struct gossip_store *gs);
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/**
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* Get a readonly fd for the gossip_store.
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* @gs: the gossip store.
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*
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* Returns -1 on failure, and sets errno.
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*/
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int gossip_store_readonly_fd(struct gossip_store *gs);
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/* Callback inside gossipd when store is compacted */
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void update_peers_broadcast_index(struct list_head *peers, u32 offset);
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#endif /* LIGHTNING_GOSSIPD_GOSSIP_STORE_H */
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